Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than 5 centimeters.

VOA: special.2009.01.06

Right, so the things we want you to take away from this are, get into the habit of using pseudo code when you sit down to start a problem, write out what are the steps.

好，这儿我想大家明白的就是,养成解决问题时先写伪代码的好习惯,把步骤都写出来,我想要告诉你们的是一个好的程序员。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, the only point of interest about this is that when do people start thinking that they're French, as opposed to from a certain family, from a certain village, from a certain region?

所以对这些感兴趣的唯一目的就是,什么时候大家开始觉得自己是法国人了,相对于某个家族,某个村子,某个地区

耶鲁公开课 - 1871年后的法国课程节选

So, our two glitches we see when we go from the 2 p, or from 2 s to start filling the 2 p, and then we also get another glitch when we've half-filled the 2 p, and now we're adding and having to double up in one of those p orbitals.

因此，我们的看到的两个小偏差，一个是在开始进入，2，p，轨道，或者说在填满，2，s，轨道之后,开始填，2，p，轨道的时候出现的，另一个则是在，2，p，轨道半满之后,开始继续加电子，使得其中一个，p，轨道上的。

麻省理工公开课 - 化学原理课程节选

So when we count, generally, again, we start from zero, we go to N minus 1.

当我们计数时，一般的，再次强调，我们从0开始，到N-1结束。

哈佛公开课 - 计算机科学课程节选